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Finding the Fourth Proportional to 471,182.40, 650,237.76 and 256,328.28

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Solution

The fourth proportional to 471,182.40, 650,237.76 and 256,328.28 is: 353,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,182.40 : 650,237.76 = 256,328.28 : x
  2. Step 2: Convert to fraction form
    471,182.40/650,237.76 = 256,328.28/x
  3. Step 3: Cross multiply
    471,182.40x = 650,237.76 × 256,328.28
  4. Step 4: Simplify right side
    471,182.40x = 166,674,326,611.85
  5. Step 5: Solve for x
    x = 166,674,326,611.85/471,182.40
  6. Step 6: Final answer
    x = 353,736.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.